constraints.Future.message      = {item} muss in der Zukunft liegen.
constraints.Max.message         = {item} muss kleiner oder gleich {value} sein.
constraints.Min.message         = {item} muss größer oder gleich {value} sein.
constraints.NotNull.message     = {item} darf nicht leer sein.
constraints.Null.message        = {item} muss leer sein.
constraints.Past.message        = {item} muss in der Vergangenheit liegen.

constraints.Future.message      = {item} must be in the future.
constraints.Max.message         = {item} must be less than or equal to {value}.
constraints.Min.message         = {item} must be greater than or equal to {value}.
constraints.NotNull.message     = {item} may not be null.
constraints.Null.message        = {item} must be null.
constraints.Past.message        = {item} must be in the past.
constraints.Pattern.message     = {item} must match "{regexp}".

constraints.Future.message      = {item} must be in the future.
constraints.Max.message         = {item} must be less than or equal to {value}.
constraints.Min.message         = {item} must be greater than or equal to {value}.
constraints.NotNull.message     = {item} may not be null.
constraints.Null.message        = {item} must be null.
constraints.Past.message        = {item} must be in the past.
constraints.Pattern.message     = {item} must match "{regexp}".

	return m.Dialector.DataTypeOf(field)
}

// FullDataTypeOf returns field's db full data type
func (m Migrator) FullDataTypeOf(field *schema.Field) (expr clause.Expr) {
	expr.SQL = m.DataTypeOf(field)

	if field.NotNull {
		expr.SQL += " NOT NULL"
	}

	if field.HasDefaultValue && (field.DefaultValueInterface != nil || field.DefaultValue != "") {
		if field.DefaultValueInterface != nil {

        }
    }

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends QueryBuilder> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

        }
    }

    @FunctionalInterface
    public interface ConditionOptionCall<OP extends QueryBuilder> {

        /**
         * @param op The option of condition to be set up. (NotNull)
         */
        void callback(OP op);
    }

    @FunctionalInterface
    public interface BoolCall<CQ extends EsAbstractConditionQuery> {

constraints.Digits.message = {item} は数値でなければなりません。(期待値: <数値>.<数値>)
constraints.Future.message = {item}は将来の値にする必要があります。
constraints.Max.message = {item} は {value} 以下にしてください。
constraints.Min.message = {item} は {value} 以上にしてください。
constraints.NotNull.message = {item} は未入力です。
constraints.Null.message = {item} は null でなければなりません。
constraints.Past.message = {item} は過去の値にする必要があります。
constraints.Pattern.message = {item} が 「{regexp}」 に一致しません。

    public static final String LABELS_LOGIN_UPDATE = "{labels.login.update}";

    /**
     * Assert the property is not null.
     * @param property The value of the property. (NotNull)
     */
    protected void assertPropertyNotNull(String property) {
        if (property == null) {
            String msg = "The argument 'property' for message should not be null.";

   */

  /** Monitor guarding all access */
  final Monitor monitor;

  /** Guard for waiting takes */
  private final Monitor.Guard notEmpty;

  /** Guard for waiting puts */
  private final Monitor.Guard notFull;

  // Internal helper methods

  /** Circularly increment i. */
  final int inc(int i) {
    return (++i == items.length) ? 0 : i;
  }

  /**

pkg database/sql/driver, type Execer interface { Exec }
pkg database/sql/driver, type Execer interface, Exec(string, []Value) (Result, error)
pkg database/sql/driver, type NotNull struct
pkg database/sql/driver, type NotNull struct, Converter ValueConverter
pkg database/sql/driver, type Null struct
pkg database/sql/driver, type Null struct, Converter ValueConverter